diff --git a/discovery/tpu-v1.json b/discovery/tpu-v1.json
index bc9dfd690a..e88c865158 100644
--- a/discovery/tpu-v1.json
+++ b/discovery/tpu-v1.json
@@ -156,7 +156,7 @@
                   "type": "string"
                 },
                 "pageSize": {
-                  "description": "The maximum number of results to return. If not set, the service will select a default.",
+                  "description": "The maximum number of results to return. If not set, the service selects a default.",
                   "format": "int32",
                   "location": "query",
                   "type": "integer"
@@ -659,7 +659,7 @@
       }
     }
   },
-  "revision": "20210401",
+  "revision": "20210414",
   "rootUrl": "https://tpu.googleapis.com/",
   "schemas": {
     "AcceleratorType": {
diff --git a/discovery/tpu-v1alpha1.json b/discovery/tpu-v1alpha1.json
index db0344ae6f..bfe8f413f5 100644
--- a/discovery/tpu-v1alpha1.json
+++ b/discovery/tpu-v1alpha1.json
@@ -156,7 +156,7 @@
                   "type": "string"
                 },
                 "pageSize": {
-                  "description": "The maximum number of results to return. If not set, the service will select a default.",
+                  "description": "The maximum number of results to return. If not set, the service selects a default.",
                   "format": "int32",
                   "location": "query",
                   "type": "integer"
@@ -659,7 +659,7 @@
       }
     }
   },
-  "revision": "20210401",
+  "revision": "20210414",
   "rootUrl": "https://tpu.googleapis.com/",
   "schemas": {
     "AcceleratorType": {
diff --git a/src/apis/tpu/v1.ts b/src/apis/tpu/v1.ts
index 8df7c0b08c..763caecf20 100644
--- a/src/apis/tpu/v1.ts
+++ b/src/apis/tpu/v1.ts
@@ -668,7 +668,7 @@ export namespace tpu_v1 {
      *     filter: 'placeholder-value',
      *     // The resource that owns the locations collection, if applicable.
      *     name: 'projects/my-project',
-     *     // The maximum number of results to return. If not set, the service will select a default.
+     *     // The maximum number of results to return. If not set, the service selects a default.
      *     pageSize: 'placeholder-value',
      *     // A page token received from the `next_page_token` field in the response. Send that page token to receive the subsequent page.
      *     pageToken: 'placeholder-value',
@@ -797,7 +797,7 @@ export namespace tpu_v1 {
      */
     name?: string;
     /**
-     * The maximum number of results to return. If not set, the service will select a default.
+     * The maximum number of results to return. If not set, the service selects a default.
      */
     pageSize?: number;
     /**
diff --git a/src/apis/tpu/v1alpha1.ts b/src/apis/tpu/v1alpha1.ts
index 2eb0199015..4421ccac9f 100644
--- a/src/apis/tpu/v1alpha1.ts
+++ b/src/apis/tpu/v1alpha1.ts
@@ -668,7 +668,7 @@ export namespace tpu_v1alpha1 {
      *     filter: 'placeholder-value',
      *     // The resource that owns the locations collection, if applicable.
      *     name: 'projects/my-project',
-     *     // The maximum number of results to return. If not set, the service will select a default.
+     *     // The maximum number of results to return. If not set, the service selects a default.
      *     pageSize: 'placeholder-value',
      *     // A page token received from the `next_page_token` field in the response. Send that page token to receive the subsequent page.
      *     pageToken: 'placeholder-value',
@@ -797,7 +797,7 @@ export namespace tpu_v1alpha1 {
      */
     name?: string;
     /**
-     * The maximum number of results to return. If not set, the service will select a default.
+     * The maximum number of results to return. If not set, the service selects a default.
      */
     pageSize?: number;
     /**